TI-2025-06909 Aliases CVE-2025-7572 GHSA-h8c7-6g8w-2q9f

LB-LINK BL-WR9000 lighttpd.cgi bs_GetHostInfo information disclosure

HIGH 70CWE-200Published 2025-07-14 · Updated 2025-07-14

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Information disclosure, Security bypass
Confidentiality · integrity · availability: Low · None · None
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-200 and CWE-284.

Summary

A vulnerability classified as critical was found in LB-LINK BL-AC1900, BL-AC2100_AZ3, BL-AC3600, BL-AX1800, BL-AX5400P and BL-WR9000 up to 20250702. This vulnerability affects the function bs_GetHostInfo in the library libblinkapi.so of the file /cgi-bin/lighttpd.cgi. The manipulation leads to information disclosure. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00408 35th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
LB-LINK	BL-AC1900	20250702	—	No fix listed	CNA
LB-LINK	BL-AC2100_AZ3	20250702	—	No fix listed	CNA
LB-LINK	BL-AC3600	20250702	—	No fix listed	CNA
LB-LINK	BL-AX1800	20250702	—	No fix listed	CNA
LB-LINK	BL-AX5400P	20250702	—	No fix listed	CNA
LB-LINK	BL-WR9000	20250702	—	No fix listed	CNA

BL-AC1900 VendorLB-LINK Affected 20250702 Fixed in — No fix listed CNA
BL-AC2100_AZ3 VendorLB-LINK Affected 20250702 Fixed in — No fix listed CNA
BL-AC3600 VendorLB-LINK Affected 20250702 Fixed in — No fix listed CNA
BL-AX1800 VendorLB-LINK Affected 20250702 Fixed in — No fix listed CNA
BL-AX5400P VendorLB-LINK Affected 20250702 Fixed in — No fix listed CNA
BL-WR9000 VendorLB-LINK Affected 20250702 Fixed in — No fix listed CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPE	Versions	Role	Vendor
cpe:2.3:o:lb-link:bl-wr9000_firmware::::::::	—	—	LB-LINK

cpe:2.3:o:lb-link:bl-wr9000_firmware:*:*:*:*:*:*:*:* Versions — — ·LB-LINK

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2025-7572
2026-10-03 Alias added: GHSA-h8c7-6g8w-2q9f

References

Exploit 1

https://github.com/waiwai24/0101/blob/main/CVEs/Blink/Information_Exposure_Vulnerabilities_in_Various_Blink_Router_Models.md#poc

Other 1

https://github.com/waiwai24/0101/blob/main/CVEs/Blink/Information_Exposure_Vulnerabilities_in_Various_Blink_Router_Models.md

TI-2023-11781 LB-LINK BL-AC1900_2.0 v1.0.1, LB-LINK BL-WR9000 v2.4.9, LB-LINK BL-X26 v1.2.5, and… CVSS 3.1CRITICAL 9.8
TI-2025-20979 An issue in BL-AC2100 V1.0.4 and before allows a remote attacker to execute arbitrary… CVSS 3.1CRITICAL 9.8
TI-2025-20978 An issue in BL-AC2100 <=V1.0.4 allows a remote attacker to execute arbitrary code via the… CVSS 3.1CRITICAL 9.8
TI-2025-06911 LB-LINK BL-WR9000 Web Interface lighttpd.cgi restore improper authentication CVSS 4.0CRITICAL 9.3
TI-2025-35494 The LB-Link BL-CPE300M AX300 4G LTE Router firmware version… CVSS 3.1HIGH 8.8
TI-2024-34368 LB-LINK BL-WR 1300H v.1.0.4 contains hardcoded credentials stored in /etc/shadow which are easily guessable. CVSS 3.1CRITICAL 9.8

See all 27 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences